Home / 12,363.36-17,061.28-6,774.40

Finding the Fourth Proportional to 12,363.36, 17,061.28 and 6,774.40

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Solution

The fourth proportional to 12,363.36, 17,061.28 and 6,774.40 is: 9,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.36 : 17,061.28 = 6,774.40 : x
  2. Step 2: Convert to fraction form
    12,363.36/17,061.28 = 6,774.40/x
  3. Step 3: Cross multiply
    12,363.36x = 17,061.28 × 6,774.40
  4. Step 4: Simplify right side
    12,363.36x = 115,579,935.23
  5. Step 5: Solve for x
    x = 115,579,935.23/12,363.36
  6. Step 6: Final answer
    x = 9,348.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.